Validate software implementation plans through a six-phase gate process.
npx skills add https://github.com/mishahanin/heading-os --skill pre-impl
Please help me install this Agent Skill. Skill: pre-impl Source: https://github.com/mishahanin/heading-os/tree/main/.claude/skills/pre-impl Command: npx skills add https://github.com/mishahanin/heading-os --skill pre-impl
This Skill prevents costly implementation errors by enforcing a rigorous, multi-phase gate between plan approval and code generation, ensuring that success criteria and architectural risks are addressed before any code is written.
Run the pre-impl skill by providing the path to your approved plan file to initiate the implementation gate process.
High-intent search queries and answers about installing and using this skill.
To stress-test an implementation plan before coding, run the pre-impl skill with your approved plan file. It enforces a six-phase gate process including success criteria definition and devil's advocate critique to ensure architectural integrity.
An implementation gate process in the SDLC sits between plan approval and code execution, validating architectural risks and testability. It orchestrates success criteria definition, contrarian stress-testing, and harness audits to prevent costly implementation errors before code generation begins.
You can generate a frozen test contract automatically by running the pre-impl skill's structured gate process on your approved plan. This ensures implementation success remains measurable and verifiable throughout the development lifecycle.
Yes, the pre-impl skill requires integration with local scripts for canopus-based locking and artifact management. This integration maintains operational state throughout the multi-phase validation workflow.
The best way to identify architectural bottlenecks before code execution is to use a structured gatekeeping workflow with an optional council review. This approach evaluates failure modes and architectural risks before any implementation begins.
You should avoid using a structured gate process for simple, low-risk implementation plans that do not require architectural review or test-first contracts, as the six-phase validation workflow adds overhead suited for complex software engineering tasks.
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